Finding the Fourth Proportional to 1,382.27, 1,907.51 and 752.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.27 : 1,907.51 = 752.81 : x
2. Step 2: Convert to fraction form
   1,382.27/1,907.51 = 752.81/x
3. Step 3: Cross multiply
   1,382.27x = 1,907.51 × 752.81
4. Step 4: Simplify right side
   1,382.27x = 1,435,988.84
5. Step 5: Solve for x
   x = 1,435,988.84/1,382.27
6. Step 6: Final answer
   x = 1,038.86